The technical barriers of flash memory cards are very little, so the worst performance is the fake flash memory cards. The access threshold of USB flash disk is slightly higher than flash memory cards, so that USB flash drives users can rarely directly find the hidden dangers of counterfeit. Basically the fake flash drive began to be found after in use for some time. At this point a lot of data has been stored in it, customers may burden greater loss.

After USB flash drives have been used for some time, it may suggest you formatting USB drive, or that there are some faults so that the USB flash disks cannot be used. Windows will prompt to format USB flash drives, but the formatting will be failed. The most common problem for fake USB flash disk is that after used for some time, consumers may find that all of a sudden the flash drive disappears from the computer. And then Windows will prompt to format USB flash drives, when you format USB drive, the system will prompt that it won’t be formatted successfully.
Flash drive capacity displays correctly, but the product cannot be used. The fake USB flash disk looks normal from the surface without any prompting. Clicking on the thumb drive, you can access to the USB storage space. While fake USB flash drives write data, the USB drive letter will disappear, with the prompting of formatting USB drive. Then the second phenomenon is that counterfeit USB drive can show flash drive capacity, when the counterfeit USB drive read and write data, the USB letter disappeared, and the system prompts to format USB drive, so that users cannot format USB drive successfully. Of course there is a third phenomenon. The fake flash drive directly refuses to work. There isn’t any reaction when users insert the USB flash disk into the computer USB port, disappointing users. Most flash memory cards are used to store pictures, while USB flash drive is mostly used to store important data files, pictures, so fake USB flash drives may bring greater loss for users.